Pegasus - The BOWUM
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Event overview
The BOWUM - The Borderlands of Wales Ultra Marathon takes place on 4 April 2026. The route is a circular ultra starting and finishing in Monmouth and covers 30 miles through the borderlands of Monmouthshire. The course follows sections of the Three Castles Walk and parts of Offa’s Dyke Path, passing the medieval castles at Skenfrith, Grosmont, and White Castle. The total elevation gain is listed as 4,258 ft. Terrain is reported as mostly trail, with the organiser noting roughly 90% trail and 10% road.
Route and logistics
There are 3 fully manned checkpoints along the route. Checkpoints are described as stocked with snacks, fresh fruit, hot and cold drinks, seating, power banks, and music, and dietary requirements can be accommodated. The event states there are no overall time limits for finishing. Mandatory kit includes appropriate footwear, a 1 litre water carrier, a mobile phone, a head lamp or other light source, a foil blanket, a waterproof jacket, and a rucksack. Entry includes a Pegasus medal, post-race care, staffed checkpoints, and event crew support. Organisers issue route maps via Plotaroute for navigation and provide participant communications in the weeks before the event. Visit the organization's website for the most recent information.
